Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2013.0524 Multiple Vulnerabilities in Cisco IOS XE Software for 1000 Series Aggregation Services Routers 11 April 2013 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco IOS XE Publisher: Cisco Systems Operating System: Cisco Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade Original Bulletin: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130410-asr1000 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Cisco Security Advisory: Multiple Vulnerabilities in Cisco IOS XE Software for 1000 Series Aggregation Services Routers Advisory ID: cisco-sa-20130410-asr1000 Revision 1.0 For Public Release 2013 April 10 16:00 UTC (GMT) +---------------------------------------------------------------------- Summary ======= Cisco IOS XE Software for 1000 Series Aggregation Services Routers (ASR) contains the following denial of service (DoS) vulnerabilities: Cisco IOS XE Software IPv6 Multicast Traffic Denial of Service Vulnerability Cisco IOS XE Software MVPNv6 Traffic Denial of Service Vulnerability Cisco IOS XE Software L2TP Traffic Denial of Service Vulnerability Cisco IOS XE Software Bridge Domain Interface Denial of Service Vulnerability Cisco IOS XE Software SIP Traffic Denial of Service Vulnerability These vulnerabilities are independent of each other; a release that is affected by one of the vulnerabilities may not be affected by the others. Successful exploitation of any of these vulnerabilities could allow an unauthenticated remote attacker to trigger a reload of the Embedded Services Processors (ESP) card or the Route Processor (RP) card, causing an interruption of services. Repeated exploitation could result in a sustained DoS condition. Note: Cisco IOS Software and Cisco IOS-XR Software are not affected by these vulnerabilities. Cisco has released free software updates that address these vulnerabilities. This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130410-asr1000 - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iF4EAREIAAYFAlFlkTsACgkQUddfH3/BbTqhGAD/Q21EVj/+oRmfkFXo+IZZ89AF K6vZOBcbjbfPKEwpM4gA/A8HlrWHY2egoNaTLDeLRfAi7jZhkrGHpE18WDC/91lw =OG4L - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBUWY+me4yVqjM2NGpAQILrRAAtbilMaoqNCxCYGAEj49fif7wDL6oygbw ucAp4mqHFSwen/yePFRt6NzniBl9ztc6dn1NoIdy9YYSKR+GFWqVtX+xDt/rHsS1 5fY5aTOVY2Wzmx34D/snHcz+QY1EaPuF1G4GmzexX4HFWK+mAB6zSSpYKdkBgVM7 SWszqDfWICWuiGtmQtv9J7ke9VfFDekS17j/9SYkCYwya4cTTSypNOLx4IWs9lUV rwMkjvLGHgBkOI7lhcxqWVVLz+SnNFwwoVg/yfmFHOWiTSbKrEqbEE7/q5BulJ5I vFABXEXdGtMhxJDUuHd9MIa0XmKK+nU35EFwdtCgAzr+qMrsdEWk7if2Va0R5yf3 oE78si8aTgJvid6OLUy846Zj5BK7JCqTL80FkJmaOD3+LN4TGPu5Lr66WM9R6foS NQNfvDh+u3FbiT9q6uLdO6Ffr4v1Rr/x+aD6tOkY1GmDk96aBeZIuRHTco+LgQjG i9rpNKrl18D39ezpSttGKnllAekbu+52/NpR3GOMRhCkX61xDn+YRDeC4ymnZ2ct Qucu7e7AhWF17Zlb+XqUXSb5SXvjnMYPEj5VgmwpdT0zAQ0XYkf5NucY4TBzcvqK REj3sW7UUD/T1zMudG4d+WHKT7ciMmokUQKOPW7Qh/zEZPn9KS9rqWkBVtAJ9N97 um2Wi2P+5P8= =+HYt -----END PGP SIGNATURE-----